Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\SiramahClone\vendor\laravel\framework\src\Illuminate\Routing\RoutingServiceProvider.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\SiramahClone\vendor\laravel\framework\src\Illuminate\Routing\RoutingServiceProvider.php on line 18